/*
 Controlling a servo position using a potentiometer (variable resistor)
 by Michal Rinott <http://people.interaction-ivrea.it/m.rinott>

 modified on 8 Nov 2013
 by Scott Fitzgerald
 http://www.arduino.cc/en/Tutorial/Knob
*/

#include <Servo.h>

Servo myservo; // create servo object to control a servo

int potpin = 0; // analog pin used to connect the potentiometer
int val;        // variable to read the value from the analog pin

void setup()
{
    myservo.attach(9); // attaches the servo on pin 9 to the servo object
}

void loop()
{
    val = analogRead(potpin);        // reads the value of the potentiometer (value between 0 and 1023)
    val = map(val, 0, 1023, 0, 180); // scale it to use it with the servo (value between 0 and 180)
    myservo.write(val);              // sets the servo position according to the scaled value
    delay(15);                       // waits for the servo to get there
}
